کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4651455 1342546 2006 14 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Tags on subsets
موضوعات مرتبط
مهندسی و علوم پایه ریاضیات ریاضیات گسسته و ترکیبات
پیش نمایش صفحه اول مقاله
Tags on subsets
چکیده انگلیسی

A new definition of a tag on a subset of a finite set is given. Tags were recently defined in a joint paper of the author and J.S. Chahal. The new definition considerably simplifies the concepts further. Relationship with lexicographic ordering is much more visible. Applications to a general (t,k)(t,k) existence problem which includes the existence conjecture for t-designs or characterizing degree sequences of a k-uniform hypergraphs as particular cases is discussed. Some new necessary inequalities, as well as some sufficient conditions for such existence questions are derived.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Discrete Mathematics - Volume 306, Issue 14, 28 July 2006, Pages 1610–1623
نویسندگان
,